Draft-equalizer



(No Model.)

H. STURM. DRAFT BQUALIZER.

Patented Sept. 18, 1894..

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UNITED STATES 'PATENT OEEI'CE.

HENRY STURM, OF NAUVOO, ILLINOIS. 'p

DRAFT-EQUALIZER.

SPECIFICATION forming part of Letters Patent No. 526,271, datedSeptember 18, 18294.

ApplicatiOIl filed November 13, 1893. Serial No. 490,834. (No model.)

To all whom t may concern.-

Be it known that I, HENRY STURM, residing at Nauvoo, in the county ofHancock and State of Illinois, have invented certain new and usefulImprovements in Draft-Equ alizers, of which the following is aspecification. I My lnvention relates more particularly to improvementsin four horse eveners, more especially adapted for use with either rightor left tongue or tongueless gang plows, and 1t has for its object toprovide devices of this character simple and inexpensive inconstructron, which can be easily connected with the co3 ect to bedrawn, and which will effectively serve for their intended purpose.

It has also for its object to provide evener devices so arranged andconstructed, that the plows can be drawn to work close up to the endsofthe field, in which the front or draft polnt can be changed from rightto left, whereby to take more or less land, and whereby more space willbe allowed the horse in the furrow, to walk steady, without crowding onthe others.

With other minor objects in view all of which will hereinafter beparticularly referred to, my invention consists in the novel combinationand arrangement of parts, which will be rst described and thenspecifically pointed out in the claims, reference being had to theaccompanying drawings, in which- Figure l is a plan View of my improveddraft equalizer attached to the gang plow beams. Fig. 2 is a transversesection taken on the line 2 2 Fig 1. Fig, 3 is a detail perspective Viewof the main equalizer or draft bar, and Fig. 4 is a view of a modifiedform of the main equalizer beam hereinafter referred to.

Referring to the accompanying drawings A A indicate the plow beams, theends of which are -connected by a transverse clevis member B formed witha series of apertures b b; such beams being also lconnected by a crosspiece O the base member c of which forms the rear or pivot bearing forthe main draft bar D, the rear end of which is pivotally connectedtherewith by the bolt d, its front portion being adj ustably connectedto the clevis B, by the bolt d which passes through an aperture d2 insuch bar and any one of the apertures b. By providing a series ofapertures in the plate B, the bar is capable of being adjusted to theright or left.

. The clevis member B is preferably connected with the clevis ends ofthe plow beams, by a transverse rod B passed through the apertured bentup ears b b and any one of the apertures ot in the plow beams. By thisconstruction, it will be noticed the front end of the draft bar can beadjusted vertically to change the draft pull as occasions may make itdesirable.

The front end of the main draft bar D is bent at right angles as at D',which has a series of apertures DX as most clearly shown in Fig. 3 ofthe drawings. Upon the end of the bar member D is adj ustably held by abolt e, a clip member E in which is pivotally held the main orequalizing beam F, on the outer ends of which are pivotally held thedouble trees G, to which in turn are connected the single trees H. Itwill be noticed by reference to Fig. l, that the bar D is held with itsend D projected inward, and such end D is of such length that the pivotor connecting point of the beam F will always be approximatelyin frontof theinnermost plow beam A', whereby one of the horses will travel inline with the furrow. The bar D has ata point in advance of its rearpivot, a clip member D2 in which is centrally pivoted a rear draft beamJ X formed of rearwardly inclined members J J',

having a series of apertures j in theirouter ends, with any one of whichare pivotally connected the rear ends la la of brace rods K K', whichare connected at their front ends with the main beam F as clearly shown.

The beam F may be formed of a single member as shown in Fig. 4, but Iprefer to form it of two sections centrally hinged as at FX (see Fig. l)whereby to shift the main draft back of the clevis ends of the beams. Bythus dividing the front draft beam it will be noticed the pull onfthedouble trees will be on the arms J J of the rear draft bar, and as suchbars project to each side of the said beams, it follows, that the draftwill be equalized and at each side of the beams, and in consequence adirect and steady pull on the beams eifected.

By connecting the central or horizontal draft bar D to the plow beams asstated, such IOO bar is capable of lateral as well as vertical adjustment. By using a non-divided bar F, the draft pull will owing to thepeculiar relation of the parts, also be direct, but instead of beingalmost entirely at a point behind the clevis member Will also bepartially on such member.

The several parts can be readily assembled, adjusted, and easilyreplaced in case of breakage.

Having thus described my invention, what I ctlaim, and desire to secureby Letters Paten ,1s-

1. In a draftequalizer, the combination with the beam members, the reartransverse piece C and the front clevis member, of a draft bar pivotallyconnected at the rear end of the piece C, held for lateral adjustment onand to be detachably connected with the front clevis member, said draftbar having an angle portion-l at the front end, and a transverselyprojected member J X centrally pivoted to the draft bar in advance ofits rear pivot, the draft beam pivoted to the said an- 'gle portion, andthe rods K pivoted at one end on the ends of the member JX and connectedat the other end to the draft beam all arranged substantially as shownand described.

2. In a draft equalizenthe combination with the beams A, A', the rearcross member C and the clevis member'B, connected with the front end ofthe beams and vertically adjustable thereon, and having a series ofapertures b, of a draft bar pivotally connected at its rear end to themember C, its frontend resting on the front clevis and having a pinconnection with its apertures b, a draft beam secured to the front endvof such bar, a transverse bar JX centrally pivoted to the rear portionof the draft bar in advance of its rear pivot and the rods K adjustablyconnected at their rear ends to the ends of the bar JX and at theirfront ends to the draft beam all arranged substantially as shown anddescribed.

HENRY STURM. Witnesses:

EDWARD ARGAs'r, Sr., BENEDIKT GNANN.

